<!DOCTYPE html>
<html xmlns:th="http://wwww.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
    <form th:action="@{/login}" method="post">
        用户名:<input type="text" name="username"/><br/>
        密码:<input type="text" name="password"/><br/>
        <input type="submit" value="登录"/>
    </form>
</body>
</html>